Bedspring



R. B. HOSNER BEDSPRING Filed May 4, 192] WITNESS INVENTOR /4 A TTORNE YSPatented ca. M, 1924. 3,5215% UNi-TED STATES PATENT RALPH B. KOSHER, OFSAN FBANCISGO, CALIFORNIA.

BEDSPRING.

Application filed May a, 1921. Serial No. M6367.

Toallwhomit'may concern: either sid being reached when the stop 9 Be itknown that I, RALPH B. HosNER, on the bar on that side engages thepivoted to a citizen of the United States, and a resiblock 8. When onesits on the edge of the dent of the city and county of San Franbed thereis a tendency toward lateral cisoo, State of California, have invented amovement of the .upper frame but such new and useful Bedspring, of whichthe folmovement is checked first by the resilience lowing is aspecification. of the spring 11 on that side, and secondly 6 35 Myinvention relates'to bed springs and by the engagement of the stop 9 onthe opan object of the invention is to provide posite side with theblock 8. Sudden shock In means for preventing excessive lateral moveisof course avoided by the resilience of the ment of the upper portion ofthe spring. border wire, the general effect of the mecha- My inventionpossesses other objects and nism shown being to resiliently hold the onfeatures of advantage, some of which, with border wire and upper framein proper the fore oing, will be set forth in the folrelation to thelower frame.

lowing escription of my invention. It is From the'above it will beobserved that to be understood that I do not limit myself the bar 7without the link 10 or spring 11, to the showing made by the saiddescripwill function as indicated, the coil springs 70 tion, as I mayadopt variant forms of my 4 at the edge of the structure tending toinvention within the scope of the claim. keep the frames apart and thebars 7 in Referring to the drawings: Fig. 1 is a the positions shown inFig. 2. In this case plan view of my bed Spring, portions bewhen onesits on the edge of the bed the ing broken away to disclose thestructure. bar on the opposite side of the bed'prevents 75 Fig. 2 is avertical sectional view taken in too great a lateral displacement, itseffect a Iilkane indicated by the line 2-2' of Fig. 1. being cushionedby the resilience of the cone bed spring of my invention comprisesnecting border wire. I prefer however to a lower frame 2 formedpreferably of strucuse the structure shown since experience has turalsteel members of suitable section and taught me that a more stablestructure is so a border wire '3 forming an upper frame. secured bysupplementing the action of the Coil springs 4 are interposed betweenthese springs 4103 the tension springs 11.

frames, resting on cross bars 6 in the lower In the drawings I haveshown but one frame, at their upper ends connected tobar on'each side ofthe spring. It is of gether'and to the border wire in the usual courseobvious that more than one could Wa e be used' if desired. Since howeverdisplac- Midway of each longitudinal side of the ing stresses areapplied to the structure bed spring a bar 7 is pivotally attached toalmost invariably in the middle of the side, the border wire and extendsdownwardly one stabilizing means such as I have shown and inwardly to apivotally mounted block is amply sufiicient inthe majority of cases. W8, thru which it passes forming a loose slid- I claim: ing fit therein.The end of the bar 7 is A bed spring comprising a bottom frame,

40 provided with a stop 9 for limiting the up an upper frame, coilsprings interposed beward and outward movement thereof. tween saidframes, a barpivotally mounted Pivoted to the bar 7 intermediate of itson each longitudinal side of the upper frame 95 ends is a link 10 alsopivoted to the longiand extending downwardly and inwardly tudinal sidebars of the lower, frame 2. A to the bottom frame, means for slidablycoil spring 11 connects the link and bar mounting said bars in the lowerframe,

adjacent their lower ends as shown in Fig. 2. means for limiting theupward movement When the bed of which the spring forms of said bars insaid mounting means, a link a part is occupied, the coil springs arecompivoted to each bar and to the lower frame,

pressed and the bars are pushed downwardand a coil spring interposedbetween each y and inwardly thru the blocks 8, such bar and theconnected link.

movement being resisted by the coil springs In testimony whereof, I havehereunto set 11. Lateral movement of the u per frame my hand.

within limits may take place, 0 limit on RALPH B. HOSNER.

